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Italian Game, Rousseau Gambit

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Chess opening
Rousseau Gambit
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8a8 black rookc8 black bishopd8 black queene8 black kingf8 black bishopg8 black knighth8 black rooka7 black pawnb7 black pawnc7 black pawnd7 black pawng7 black pawnh7 black pawnc6 black knighte5 black pawnf5 black pawnc4 white bishope4 white pawnf3 white knighta2 white pawnb2 white pawnc2 white pawnd2 white pawnf2 white pawng2 white pawnh2 white pawna1 white rookb1 white knightc1 white bishopd1 white queene1 white kingh1 white rook8
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Moves1.e4 e5 2.Nf3 Nc6 3.Bc4 f5
ECOC50
Origin19th century
Named afterEugène Rousseau
ParentItalian Game
Synonym(s)Ponziani Countergambit

The Rousseau Gambit (or Ponziani Countergambit after Domenico Lorenzo Ponziani) is a chess opening that begins with the moves:

1. e4 e5
2. Nf3 Nc6
3. Bc4 f5

The gambit is named after French chess master Eugène Rousseau. White can decline the gambit by supporting the e-pawn with 4.d3. The resulting position is similar to a King's Gambit Declined with colours reversed, and White's king bishop aiming at Black's weakened kingside. Black will have trouble castling kingside, and Ng5 is a likely threat. White's position is better, but still requires careful play.

Key themes for White are to attack Black's kingside and to avoid attempts by Black to simplify the position. Exchanges involving White's light-square bishop are particularly suspect.

This article uses algebraic notation to describe chess moves.

White responses

Gambit Declined: 4.d3

White can decline the gambit and wait to capture the f-pawn. 4...Bc5 transposes to the Lucchini Gambit.

Gambit Accepted: 4.exf5

White still has a good game after the inferior 4.exf5, but the position is less clear. Black usually plays 4...e4, which White may meet by 5.Nd4! Nf6 (5...Nxd4? leads to trouble after 6.Qh5+) 6.Nxc6.

4.d4!

abcdefgh
8a8 black rookc8 black bishopd8 black queene8 black kingf8 black bishopg8 black knighth8 black rooka7 black pawnb7 black pawnc7 black pawnd7 black pawng7 black pawnh7 black pawnc6 black knighte5 black pawnf5 black pawnc4 white bishopd4 white pawne4 white pawnf3 white knighta2 white pawnb2 white pawnc2 white pawnf2 white pawng2 white pawnh2 white pawna1 white rookb1 white knightc1 white bishopd1 white queene1 white kingh1 white rook8
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After 4.d4!

White gets a clear advantage with 4.d4!:

  • 4...fxe4 5.Nxe5 d5 6.Bb5 Ne7 7.0-0 a6 8.Bxc6+ bxc6 (8...Nxc6? 9.Qh5+) 9.f3 Bf5 10.Nc3 +/− (Bilguer Handbuch).
  • 4...d6 and now:
    • 5.Ng5 Nh6 6.d5 Nb8 (6...Ne7 7.Nc3 f4 8.g3 Ng6 9.Bb5+ +/−; Maróczy) 7.Nc3 f4 8.h4 Bg4 9.f3 Bd7 10.g3 fxg3 11.f4 +/− (Sozin).
    • 5.dxe5 and now:
      • 5...fxe4 6.Qd5 Qe7 7.Bg5 Be6 8.Qxe4 +/− de Rivière–Anderssen, London 1862.
      • 5...dxe5 6.Qxd8+ Nxd8 (6...Kxd8 7.Bg5+ Nf6 8.Nc3 +/− Morphy–Worrall, London 1859) 7.Nxe5 fxe4 8.Bd2 Bd6 9.Bc3 +/− Löwenthal & Medley vs. Morphy & Mongredien, London 1857.
  • 4...Nf6 5.dxe5 Nxe4 6.0-0 Bc5 7.Nc3 Nxc3 8.bxc3 h6 9.Nd4 g6 10.Nb3 +/− (Bilguer).

See also

References

  1. ^ T. D. Harding; G. S. Botterill (1977), The Italian Game, B. T. Batsford Limited, p. 128, ISBN 0-7134-3261-6
  2. Kasparov, Gary; Keene, Raymond (1982), Batsford Chess Openings, American Chess Promotions, p. 308, ISBN 0-7134-2112-6

External links

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